diff --git a/custom/plugins/buildbot_dev/buildbot_dev.plugin.zsh b/custom/plugins/buildbot_dev/buildbot_dev.plugin.zsh
index 29aa6e7b6..92f80ff3d 100644
--- a/custom/plugins/buildbot_dev/buildbot_dev.plugin.zsh
+++ b/custom/plugins/buildbot_dev/buildbot_dev.plugin.zsh
@@ -25,14 +25,15 @@ alias csr='cactus slaves restart'
 alias cs='cactus stop'
 alias cr='cactus restart'
 alias crcl='cactus restart ; cactus log'
-alias ck='cactus kill'
-alias ckcrcl='cactus kill ; cactus restart ; cactus log'
 alias crcsr='cactus restart ; cactus slaves restart'
 alias crcsrci='cactus restart ; cactus slaves restart ; cactus info'
 alias cscss='cactus stop ; cactus slaves stop'
 alias cscssci='cactus stop ; cactus slaves stop ; cactus info'
-alias ckcss='cactus kill ; cactus slaves restart'
-alias ckcssci='cactus kill ; cactus slaves restart ; cactus info'
+# don't use 'ck' since it is too close to 'cl'
+alias cK='cactus kill'
+alias cKcrcl='cactus kill ; cactus restart ; cactus log'
+alias cKcss='cactus kill ; cactus slaves restart'
+alias cKcssci='cactus kill ; cactus slaves restart ; cactus info'
 
 alias m='make'
 alias s='subl'